Umar Fayyaz, Yosef T. Aladadi, Abdul Aziz, Shahab Ahmad Niazi, Syed Tamoor Shah, Sulaiman Al-Sowayan, Zaid Ahmed Shamsan, Rifaqat Hussain. "A compact uniform circular array antenna for circularly polarized higher-order OAM beam generation through modes superposition." PLoS ONE (2026). https://doi.org/10.1371/journal.pone.0337197